SAQ 956 – Toxicology – sudden collapse after prepared drink

You receive a pre-arrival call about an 83-year-old man who was well earlier that morning.

His wife prepared him a drink. A few minutes later she found him unconscious on the ground and possibly not moving his left side.

On arrival he has HR 145, RR 40, BP 124/75, SaO2 98% on 15 L NRBM, GCS 9 (E2 V2 M5), and mottled peripheries.

VBG component	Result
pH	7.15
CO2	26
Na	135
K	3.7
Cl	105
Glucose	8
Lactate	19
HCO3	9
Creatinine	80

List five potential causes for this presentation.

(Marked out of 5.0)

/ 5

The CT brain with contrast is normal and his clinical status is unchanged. Interpret the venous blood gas and list four toxicological causes for the findings.

(Marked out of 6.0)

/ 6

His wife's packet from the health food store suggests cyanide toxicity. List five signs or symptoms of moderate or severe cyanide toxicity.

(Marked out of 5.0)

/ 5

Name two possible antidotes for cyanide toxicity and list two potential problems with each.

(Marked out of 6.0)
</p> <table class="saq-prop-table" style="width: 100%; max-width: 100%; table-layout: fixed; border-collapse: collapse;"> <thead> <tr> <th style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;">Antidote</th> <th style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;">Potential problems</th> </tr> </thead> <tbody> <tr> <td style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;">Antidote 1</td> <td style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;"></td> </tr> <tr> <td style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;">Antidote 2</td> <td style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;"></td> </tr> </tbody> </table> <p>

/ 6

Total Score: 0 / 22

Percentage: 0%